Tutorial on writing Website Scrapers
This article discusses about how to write a website scraper using PHP for web site data extraction. The concepts taught can be applied and programmed in Java, C#, etc. Basically any language that has a powerful string processing capability. This article will teach you the basics of website scraping. The article will further cover a tutorial to find web ranking from Yahoo.com search engine.
Steps involved to write a scraping program
Writing Website Scrapers in PHP | Geek Files
If you're scraping content from websites (that is: HTML) I guess string processing via strpos() and regular expressions are a thing of the past.
A nice little start on the subject, and as DeMo said there is always more than one way to skin a cat (as the saying goes).
Using DOM & XPath, we could condense:
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